stampa
Login

Create your personal custom set of columns with all data you need.
Register here!


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
21178-3945
TDT 2890 Ba,Bb


Nearby doubles
29' : 21196-3929
I 1438

33' : 21176-3914
SEE 442

43' : 21142-3936
WG 267

48' : 21213-4011
WG 270

55' : 21144-4025
UC 4416

58' : 21162-4041
CBL 182

63' : 21163-3845
LDS 737

66' : 21140-3858
TDT2844

69' : 21237-3947
SKF1173

70' : 21208-3847
CVN 110AB

70' : 21122-4016
CRU9018AB

72' : 21208-4049
HDS3039

73' : 21187-3835
NSN 467

75' : 21241-4002
UC 4465

82' : 21107-3959
HDS3018

82' : 21143-3835
B 520AB

90' : 21103-4014
CRU9017

91' : 21186-4116
UC 4437

93' : 21172-4118
RST4079

93' : 21243-4040
CRU9020

99' : 21257-3913
SEE 445

103' : 21221-3818
HDS3042

105' : 21088-3927
CRU9015

107' : 21244-4100
BU 766AB

116' : 21091-4047
CPO 620AB

117' : 21175-4142
LIT 35



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

21178-3945 TDT 2890 Ba,Bb

 
 
21h 17m 42.60s -39° 46' 14.0" P.A. 252.00 sep 0.5 mag 10.77,10.78
 
 
Coord 2000 21178-3945 Discov num TDT2890 Comp Ba,Bb Coord arcsec 2000 21 17 42.60 -39 46 14.0
Date first 1991 Date last 1991 Obs 1
Pa first 252 Pa last 251.8 P.A. Now (θ) 251.8°
Sep first 0.5 Sep last 0.49 Sep. Now (ρ) 0.49"
Mag pri 10.77 Mag sec 10.78 delta mag (ΔM) 0.01 Spectral class
Pri motion ra -007 Sec motion ra -007
Pri motion dec +016 Sec motion dec +016
Notes
Nature of this double is uncertain.
 
 
21178-3945 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 202561 212872 21 17 50 -39 44 59 CRU 9019 AB 2015 7 230 117.1 9.80 10.00 0.20
Show 212872 21 17 50 -39 44 59 CRU 9019 AC 2015 7 62 62.8 9.80 10.00 0.20
Show 21 17 43 -39 46 14 TDT 2890 Ba,Bb 1991 1 252 0.5 10.77 10.78 0.01 <===
Quadruple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Microscopium Tycho2 7970-00247-1 Gaia DR2 6583152771244292608
 
 
WDS 21178-3945 TDT 2890 Ba,Bb : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Cru1884 Ma j Cruls, L. 1884AnRio...41..97C
Cru1884 Ann. Rio de Janeiro Obs. 4, Pt.1, 97, 1884
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21178-3945 TDT2890 Ba,Bb 1991 1 252 0.5 10.77 10.78 211742.60-394614.0

If you need more information about this double, apply for a data request form to the WDS.

 
 
WDS 21178-3945 TDT 2890 Ba,Bb : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21178-3945 TDT 2890 Ba,Bb : MEASURES
 
 
No records found.

 
 
WDS 21178-3945 : VIRTUAL EYEPIECE
 
 

21178-3945 CRU9019A mag 9.8 Sp G2V 21178-3945 TDT2890B sep 116.5 P.A. 229.70 mag 10.77 21178-3945 TDT2890Bb sep 116.9 P.A. 229.80 mag 10.78 21178-3945 CRU9019C sep 51.9 P.A. 55.00 mag 10 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 21178-3945 : ALADIN DSS IMAGE @ 21h 17m 42.60s -39° 46' 14.0"
 
 
 
 
WDS 21178-3945 TDT 2890 Ba,Bb : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21178-3945 TDT2890Ba,Bb distance=0' 21178-3945 CRU9019AB distance=2' 21178-3945 CRU9019AC distance=2' 21196-3929 I 1438 distance=29' 21156-3927 B 521BC distance=31' 21156-3927 HJ 5254A,BC distance=31' 21176-3914 SEE 442 distance=33' 21142-3936 WG 267 distance=43' 21213-4011 WG 270 distance=48' 21144-4025 UC 4416 distance=55' 21162-4041 CBL 182 distance=58' 21163-3845 LDS 737 distance=63' 21140-3858 TDT2844 distance=66' 21237-3947 SKF1173 distance=69' 21208-3847 CVN 110AB distance=70' 21122-4016 CRU9018AB distance=70' 21122-4016 CRU9018AC distance=70' 21122-4016 CRU9018AD distance=70' 21122-4016 CRU9018AE distance=70' 21122-4016 CRU9018AF distance=70' 21208-4049 HDS3039 distance=72' 21187-3835 NSN 467 distance=73' 21241-4002 UC 4465 distance=75' 21107-3959 HDS3018 distance=82' 21143-3835 B 520AB distance=82' 21143-3835 HJ 5253AC distance=82' 21103-4014 CRU9017 distance=90' 21186-4116 UC 4437 distance=91' 21172-4118 RST4079 distance=93' 21243-4040 CRU9020 distance=93' 21257-3913 SEE 445 distance=99' 21221-3818 HDS3042 distance=103' 21088-3927 CRU9015 distance=105' 21244-4100 BU 766AB distance=107' 21244-4100 BU 766AC distance=107' 21091-4047 CPO 620AB distance=116' 21175-4142 LIT 35 distance=117' 21121-3811 HJ 5249 distance=117' 21121-4128 BVD 153 distance=120' 21104-4114 ARU 3 distance=122' 21071-3944 KPP2409 distance=123' 21090-4058 CRU9016AB distance=123' 21090-4058 CRU9016AC distance=123' 21232-3800 LDS 741 distance=123' 21261-4103 RST2177 distance=123' 21234-4133 KPP3092 distance=125' 21278-3900 WG 271 distance=126' 21251-3812 RST5478 distance=128' 21174-4157 NSN 466 distance=131' 21065-4012 WG 265 distance=131' 21276-3843 KPP1399 distance=132' grafico limitrofi
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Show name coord_2000 discov# comp pa sep dist(')
Show 21178-3945 TDT2890 Ba,Bb 252 0.5
Show 21178-3945 CRU9019 AB 230 117.1 2
Show 21178-3945 CRU9019 AC 62 62.8 2
Show 21196-3929 I 1438 57 3.8 29
Show 21156-3927 B 521 BC 50 0.5 31
Show 21156-3927 HJ 5254 A,BC 191 57.8 31
Show 21176-3914 SEE 442 40 4.9 33
Show 21142-3936 WG 267 318 10.0 43
Show 21213-4011 WG 270 52 4.8 48
Show 21144-4025 UC 4416 140 12.5 55
Show 21162-4041 CBL 182 152 31.3 58
Show 21163-3845 LDS 737 157 7.2 63
Show 21140-3858 TDT2844 69 0.5 66
Show 21237-3947 SKF1173 153 94.0 69
Show 21208-3847 CVN 110 AB 25 7.0 70
Show 21122-4016 CRU9018 AB 212 122.8 70
Show 21122-4016 CRU9018 AC 237 146.0 70
Show 21122-4016 CRU9018 AD 250 180.1 70
Show 21122-4016 CRU9018 AE 268 219.6 70
Show 21122-4016 CRU9018 AF 326 122.7 70
Show 21208-4049 HDS3039 13 0.2 72
Show 21187-3835 NSN 467 290 36.2 73
Show 21241-4002 UC 4465 50 38.1 75
Show 21107-3959 HDS3018 189 0.8 82
Show 21143-3835 B 520 AB 252 0.8 82
Show 21143-3835 HJ 5253 AC 183 10.4 82
Show 21103-4014 CRU9017 303 25.0 90
Show 21186-4116 UC 4437 295 32.3 91
Show 21172-4118 RST4079 21 0.2 93
Show 21243-4040 CRU9020 52 38.1 93
Show 21257-3913 SEE 445 216 2.3 99
Show 21221-3818 HDS3042 126 0.2 103
Show 21088-3927 CRU9015 88 23.6 105
Show 21244-4100 BU 766 AB 169 0.3 107
Show 21244-4100 BU 766 AC 65 79.1 107
Show 21091-4047 CPO 620 AB 347 20.1 116
Show 21175-4142 LIT 35 248 10.5 117
Show 21121-3811 HJ 5249 327 23.1 117
Show 21121-4128 BVD 153 132 44.1 120
Show 21104-4114 ARU 3 142 0.2 122
Show 21071-3944 KPP2409 194 20.9 123
Show 21090-4058 CRU9016 AB 82 117.7 123
Show 21090-4058 CRU9016 AC 24 137.2 123
Show 21232-3800 LDS 741 290 8.9 123
Show 21261-4103 RST2177 334 2.5 123
Show 21234-4133 KPP3092 163 3.3 125
Show 21278-3900 WG 271 121 4.1 126
Show 21251-3812 RST5478 126 1.4 128
Show 21174-4157 NSN 466 4 45.0 131
Show 21065-4012 WG 265 64 10.0 131
Show 21276-3843 KPP1399 345 10.5 132

 
 
WDS 21178-3945 : COMPONENTS
 
 
  A B Bb
B pa=229.7°
sep=116.51"
 
Bb pa=229.8°
sep=116.88"
pa=246.8°
sep=0.39"
 
C pa=55.0°
sep=51.93"
pa=51.4°
sep=168.28"
pa=51.4°
sep=168.66"
 
 
21178-3945 A
 
 
Name HD 202561 Coord arcsec 2000 211750.31-394458.7 Mag 9.8 Spectral class G2V (yellow)
PmRA 7.00 PmDE 34.0 SAO 212872 Tycho2 7970-00723-1
HD 202561 DM CP-40 9509
Tycho2
Tycho2 7970-00723-1 Pflag RAmdeg 319.45963246 DEmdeg -39.74965484
PmRA 6.7 PmDE 34.2 E RAmdeg 13 E DEmdeg 19
E pmRA 1.2 E pmDE 1.2 EpRAm 1988.47 EpDEm 1984.19
Num 8 Q RAmdeg 1.4 Q DEmdeg 1.2 Q pmRA 1.3
Q pmDE 1.2 BTmag 10.460 E BTmag 0.034 VTmag 9.874
E VTmag 0.029 Prox 631 TYC T HIP
CCDM RAdeg 319.45961250 DEdeg -39.74973639 EpRA 1990 1.80
EpDE 1990 1.45 E RAdeg 14.1 E DEdeg 22.2 Posflg
Corr -0.3
SAO
SAO 212872 DelFlag RA1950 PmRA1950 0.0007
DE1950 PmDE1950 0.023 Vmag 9.5 SpType G0
Double code Source 48 CatNum 19300 DM CP-40 9509
DMcomp BDsup HD 202561 M HD 0
GC RA1950rad 5.56177455 DE1950rad -0.69744492 PmRA2000 0.0008
PmDE2000 0.02
 
 
21178-3945 B
 
 
Coord arcsec 2000 211742.60-394614.0 Coord calc 211744.36-394614.4 Mag 10.77 Mag composta 10
PmRA -7.00 PmDE 16.0 Tycho2 7970-00247-1 Calc delta mag 0.97
Tycho2
Tycho2 7970-00247-1 Pflag RAmdeg 319.42743878 DEmdeg -39.77058387
PmRA -6.6 PmDE 16.1 E RAmdeg 18 E DEmdeg 26
E pmRA 1.4 E pmDE 1.5 EpRAm 1986.85 EpDEm 1980.46
Num 4 Q RAmdeg 1.7 Q DEmdeg 1.2 Q pmRA 1.7
Q pmDE 1.2 BTmag 11.639 E BTmag 0.070 VTmag 10.097
E VTmag 0.031 Prox 999 TYC T HIP
CCDM RAdeg 319.42745944 DEdeg -39.77062333 EpRA 1990 1.79
EpDE 1990 1.47 E RAdeg 20.0 E DEdeg 31.6 Posflg
Corr -0.2
 
 
21178-3945 Bb
 
 
Coord arcsec 2000 211742.57-394614.2 Mag 10.78 PmRA -7.00 PmDE 16.0
Calc delta mag 0.98 Calc coord yes
 
 
21178-3945 C
 
 
Coord arcsec 2000 211754.00-394428.9 Mag 10 PmRA 13.00 PmDE -6.0
Tycho2 7970-00135-1 Calc delta mag 0.2 Calc coord yes
Tycho2
Tycho2 7970-00135-1 Pflag RAmdeg 319.47959530 DEmdeg -39.74123217
PmRA 12.8 PmDE -6.1 E RAmdeg 20 E DEmdeg 31
E pmRA 1.4 E pmDE 1.7 EpRAm 1985.70 EpDEm 1983.53
Num 4 Q RAmdeg 1.0 Q DEmdeg 1.4 Q pmRA 1.1
Q pmDE 1.4 BTmag 11.640 E BTmag 0.074 VTmag 10.180
E VTmag 0.034 Prox 631 TYC T HIP
CCDM RAdeg 319.47955861 DEdeg -39.74122167 EpRA 1990 1.79
EpDE 1990 1.48 E RAdeg 21.9 E DEdeg 34.8 Posflg
Corr -0.3